A versatile skill-set can be important in the NFL. Offensive guards who can also play center. Cornerbacks who can line up inside or outside in zone or man coverage. However, in scouting, versatility is viewed as a complementary trait, not a defining trait.

Entering the 2018 season, Kentucky senior OLB Josh Allen (6-4, 262, 4.70) was considered a “jack of all trades, master of none” by NFL scouts. As an underclassman, he showed the flashes to do a little bit of everything (rush off the edge, drop in coverage or use range to make stops vs. the run), but he wasn’t above average in any of those areas and the absence of power was the main criticism of his game.

However, Allen bulked up over the offseason (added 25-plus pounds of muscle) and expanded his pass rush repertoire, which has enhanced his overall impact for the undefeated Wildcats. What running back Benny Snell has meant to the Kentucky offense, Allen has had the same influence on the defense, which ranks...